KR101712057B1 - Axis Weighting Machine - Google Patents

Axis Weighting Machine Download PDF

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Publication number
KR101712057B1
KR101712057B1 KR1020150122290A KR20150122290A KR101712057B1 KR 101712057 B1 KR101712057 B1 KR 101712057B1 KR 1020150122290 A KR1020150122290 A KR 1020150122290A KR 20150122290 A KR20150122290 A KR 20150122290A KR 101712057 B1 KR101712057 B1 KR 101712057B1
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KR
South Korea
Prior art keywords
load cell
cover
protrusion
pressing member
lamp
Prior art date
Application number
KR1020150122290A
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Korean (ko)
Inventor
백성호
김진호
Original Assignee
(주)카스에프에이
김진호
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Application filed by (주)카스에프에이, 김진호 filed Critical (주)카스에프에이
Priority to KR1020150122290A priority Critical patent/KR101712057B1/en
Application granted granted Critical
Publication of KR101712057B1 publication Critical patent/KR101712057B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
    • G01G19/025—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles wheel-load scales
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G21/00—Details of weighing apparatus
    • G01G21/28—Frames, Housings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G21/00—Details of weighing apparatus
    • G01G21/30—Means for preventing contamination by dust
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

A load cell unit for measuring the weight of a vehicle while blocking the inflow of dust and moisture is provided at a lower portion of the load cell unit. A measurement body to which a display unit mounted with a measurement value is mounted on one side; A lamp coupled to the measurement body before and after the measurement body, respectively, and having front and rear surfaces formed with lamp coupling grooves; A lamp coupling protrusion is formed to be coupled to each of the lamps, a plurality of through holes are formed in the inside of the lamp coupling protrusion, and slopes are formed at front and rear ends.
According to the present invention, since the structure of the load cell unit mounted on the lower part of the measuring body can be simplified, the inflow of dust and moisture into the lower part of the load cell can be prevented through the pressing member and the side protruding part, In addition, it has the effect of reducing manufacturing cost and maintenance cost.

Figure R1020150122290

Description

{Axis Weighting Machine}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a shaft middle stage, and more particularly, to a shaft middle stage capable of blocking dust and moisture from flowing into a load cell while simplifying the structure of the load cell unit.

In general, the middle shaft is a device for protecting a bridge or detecting an overloaded vehicle. It measures the total load of the vehicle and measures the weight generated per vehicle, thereby inhibiting entry into the bridge.

The weight of the vehicle is measured by the load cell 11, a plurality of bracket grooves are formed on both sides, a flat plate is formed of a urethane material, and a bracket 21 And a plurality of pads 30 having a plurality of connection protrusions 31 and a plurality of connection grooves 33. The plurality of pads 30 includes a plurality of lamps 20, have.

That is, when the vehicle enters the pad 30 and rises to the upper portion of the middle shaft 10, the load cell 11 mounted on the lower end of the middle shaft 10 measures the weight of the vehicle.

However, in the conventional load cell unit mounted on the middle of the shaft, many parts are used as shown in FIG. 2, which increases the manufacturing cost and requires a lot of parts to be assembled, thereby complicating the assembling process and increasing labor costs.

Also, in the conventional load cell unit, the load link holder 140 and the O-ring 130 are mounted on the foot 150 and the outer circumferential surface of the load link 120 to block the contact with the outside.

That is, when the moisture is absorbed into the space between the outer circumferential surface of the load link 120 and the O-ring 130 and the dusts are caught therein, there is a serious problem that the metering for the purpose of the shaft middle can not be accurately performed.

Korean Utility Model Registration No. 20-0367996 Korean Patent Publication No. 10-0670636

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to simplify the structure of a load cell unit mounted on a lower part of a measuring body and to prevent dust or moisture from flowing into a lower portion of a load cell through a pressing member and a side- It has its purpose.

In order to achieve the above-mentioned object, the present invention provides a shaft middle unit which is installed on the floor and measures the weight of a freight vehicle. The shaft unit is formed in a flat plate shape and measures the weight of the vehicle while inflowing dust and moisture. A measuring body to which a load cell unit to be blocked is mounted with an interval, and a display unit to which a measured value is written is mounted on one side; A lamp coupled to the measurement body before and after the measurement body, respectively, and having front and rear surfaces formed with lamp coupling grooves; A lamp coupling protrusion is formed to be coupled to each of the lamps, a plurality of through holes are formed in the inside of the lamp coupling protrusion, and slopes are formed at front and rear ends.

The load cell unit is disposed at an upper portion, a protrusion formed with a central insertion groove is formed at an upper center, a side surface protrusion is formed at a side surface, and an inclined depression A load cell; A loadcell disposed at a lower portion of the load cell and having an upper portion formed with an inclined surface toward an outer side of an operation ball insertion groove formed at the center; A load cell holder mounting portion for covering a lower side and a side surface of the load cell holder is formed at the center and a load cell protecting portion for enclosing a side face protrusion of the load cell is formed around the edge; And a pressing member mounted on a side surface of the cover, which abuts against the side projecting portion of the load cell, to block dust or foreign substances from entering the inside.

In this case, a pressing member mounting groove may be formed around the cover on which the pressing member is mounted, and a strip-shaped cover contact protrusion may be formed on the side protrusion of the load cell. The cover contact protrusion may be formed at a lower portion of the pressing member have.

A load cell holder cover for covering the cover finishing groove is mounted on the upper portion of the load cell holder mounting portion. The load cell holder cover is mounted on the upper portion of the load cell holder May be formed to be the same as the inclined surface to be formed.

According to the present invention, since the structure of the load cell unit mounted on the lower part of the measuring body can be simplified, the inflow of dust and moisture into the lower part of the load cell can be prevented through the pressing member and the side protruding part, In addition, it has the effect of reducing manufacturing cost and maintenance cost.

1 is an exploded perspective view showing a conventional shaft core;
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a load cell unit.
FIG. 3 is a perspective view of a shaft core according to the present invention. FIG.
Fig. 4 is a front view showing the middle shaft according to the present invention. Fig.
FIG. 5 is a plan view showing a load cell unit constituting a shaft core according to the present invention. FIG.
6 is a sectional view taken along the line A - A in accordance with the present invention.
7 is an enlarged cross-sectional view of a main portion of a load cell unit constituting a shaft core according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Like parts are designated with like reference numerals throughout the specification.

FIG. 4 is a front view showing the intermediate shaft according to the present invention, and FIG. 5 is a front view of the shaft according to the present invention. FIG. FIG. 6 is a cross-sectional view taken along line A-A of FIG. 6, and FIG. 7 is an enlarged cross-sectional view of a main portion of a load cell unit constituting a shaft core according to the present invention.

The present invention comprises a measuring body 200, a lamp 300, and a pad 400 installed on the floor to measure the weight of the freight vehicle.

The measuring body 200 is formed in a flat plate shape, and a load cell unit 500 is mounted on the lower part of the measuring body 200 with a gap therebetween, and a marking unit 220 on which measurement values are displayed is mounted on one side.

That is, the measuring body 200 is formed in a flat plate shape having a predetermined width and height, and a load cell mounting groove 240 is formed in the lower portion of the load cell mounting groove 240 on which the load cell unit 500 is mounted. 240, and a display unit 220 for indicating the measured value of the freight vehicle is mounted on one side of the load cell unit 500.

Herein, the measurement body 200 is not limited to the drawings and may be formed by a known construction.

The load cell unit 500 mounted on the load cell mounting groove 240 of the measuring body 200 includes a load cell 510, a load cell 520, a cover 530, and a pressing member 540.

The load cell 510 is disposed on the upper portion of the load cell unit 500. The protrusion 511 is formed at an upper center of the load cell 510 and the center insertion groove 512 is formed. And an inclined depression 514 is formed at the lower portion about the operation ball 515 protruding from the center.

That is, the load cell 510 is formed in the form of a disk or a cylinder, and a protrusion 511 having a central insertion groove 512 is formed at the center of the upper part, a side surface protrusion 513 is formed at a side surface, And an inclined depressed portion 514 provided with an operation ball 515 so as to be horizontal or inclined according to the body 200 are integrally formed.

Here, the shape of the load cell 510 may be various shapes other than the shape of a disk or a cylinder.

A strip-shaped cover contact protrusion 513a may be formed on the side surface protrusion 513 of the load cell 510. At this time, the cover contact protrusion 513a is formed at a lower portion of the pressing member 540.

That is, the cover contact protrusion 513a blocks dust and moisture from flowing into the lower portion of the load cell 510 together with the pressing member 540.

The cover contact protrusion 513a is in contact with the inner surface of the cover 530 so that the outer surface of the cover contact protrusion 513a is in contact with the cover 530 through the pressing member 540, Thereby preventing the inflow of dust and moisture into the lower portion of the water tank 510.

In addition, the inclined depression 514 is recessed toward the inside, and a curved surface operation is formed at the center so as to operate according to the weight of the freight vehicle.

That is, the inclined depression 514 provides an operating space for the operating ball 515 that operates according to the weight of the freight vehicle.

The load cell support unit 520 is disposed at a lower portion of the load cell 510 and the upper portion of the load cell support unit 520 is formed to be inclined toward the outer side with respect to the insertion hole of the operation ball 515 formed at the center.

That is, the load cell support member 520 has a predetermined diameter and a height and is formed in a conical shape at its upper part. In the center, an operation ball insertion groove 521 ).

The load cell support unit 520 supports the load cell 510 through the operation ball 515 mounted on the operation ball insertion groove 521 and supports the load cell 510 at the upper portion So that the working space of the load cell 510 can be secured through the inclined surface 522 formed.

A cover finish groove 523 may be formed around the upper edge of the load cell support 520.

The cover finishing groove 523 is connected to the connecting portion between the load cell support 520 and the cover 530 through the load cell support cover 532 of the load cell support mounting portion 531 constituting the cover 530, So that moisture can be prevented from being introduced.

The cover 530 is disposed at a lower portion of the load cell unit 500. A load cell holder mounting portion 531 is formed at an upper center of the load cell holder 500 to enclose the lower and side surfaces of the load cell holder 520, A load cell protecting portion 533 surrounding the side surface protrusion 513 is formed in a vertical direction.

Here, the cover 530 is formed of synthetic resin, rubber, or silicon so as to accommodate the load cell 510 together with the load cell 510.

The cover 530 is attached to the side surface protrusion 513 of the load cell 510 through the load cell protector 533 which is vertically protruded on both sides of the load cell holder 520, As shown in Fig.

At this time, it is effective that the connecting portion of the load cell holder mounting portion 531 and the load cell protecting portion 533 is formed with a curved connecting portion 534 for elastic and smooth operation.

A pressing member mounting groove 535 is formed in a C shape so that the pressing member 540 can be fixed and supported on the upper outer surface of the load cell protecting portion 533 constituting the cover 530.

That is, the pressing member mounting groove 535 allows the pressing force of the pressing member 540 to be transmitted to the inside while guiding the position of the pressing member 540.

The pressing member 540 is mounted on the side surface of the cover 530 which abuts the side surface protrusion 513 of the load cell 510 to block dust or foreign substances from entering the inside.

Here, the pressing member 540 is formed by selecting a spring, a band, a ring, and the like, and the pressing member 540 of the present invention is formed by a partially cut "C" shaped spring.

That is, the pressing member 540 is fitted into the pressing member mounting groove 535 of the cover 530, and the cover 530 is brought into close contact with the side surface projection 513 of the load cell 510 by using elastic force.

At this time, the load cell protecting portion protection cap 550 may be selectively mounted on the cut-away portion of the load cell protecting portion 533 so as to prevent damage to the load cell protecting portion 533 due to the fastening of the pressing member 540 .

Here, the shape of the load cell protector protection cap 550 is not limited to that shown in the drawings and may be any shape that can protect the load cell protector 533.

The lamps 300 are coupled before and after the measurement body 200, respectively.

That is, the lamp 300 not only guiding the freight vehicle entering through the pad 400 to the measuring body 200 but also guiding the freight vehicle from the measuring body 200 to the outside, 300 prevent the external influences from being transmitted to the measuring body 200 when measuring the weight of the freight vehicle.

The lamp 300 has a body 300 having a predetermined width and height, a connector 300 disposed inside the body of the lamp 300 and connected to the measuring body 200, And a lamp coupling groove 320 formed on an outer side of the body 300.

At this time, the connector (not shown) connected to the measuring body 200 may be formed by various known configurations in addition to various brackets, fasteners, fasteners and combinations thereof, and a detailed description thereof will be omitted.

In addition, the lamp coupling groove 320 formed in the body of the lamp 300 is formed in a multi-step bent shape. In the present invention, the lamp coupling groove 320 is formed on both sides of the horizontal plane, Will be described.

The pads 400 may be coupled to the lamp 300, respectively.

The pad 400 has a predetermined size and a lamp coupling protrusion 420 is formed at a portion corresponding to the lamp coupling groove 320 and a plurality of through holes 440 are formed at intervals And an inclined surface 460 is formed at the front and rear ends.

That is, the pad 400 is coupled to the lamp coupling groove 320 of the lamp 300 using the lamp coupling protrusion 420, and the slider 460 is used to smoothly move the freight vehicle, So that soil or foreign matter generated in the soil can be discharged to the ground through a plurality of through holes 440.

At this time, a rubber pad or a non-slip protrusion can be selectively formed on the upper surface of the pad 400 to prevent slippage of the freight vehicle moving to the measuring body 200.

The following description will be made with reference to the embodiment of the middle shaft having the above structure.

A load cell holder mounting portion 531 for covering a lower portion and a side face of the load cell holder 520 is formed at an upper center and a pressing member mounting groove 535 is formed around the lateral protrusion 513 of the load cell 510, And a cover 530 having a vertically formed load cell protecting portion 533 is formed.

The upper portion of the cover 530 is formed in a conical shape with a predetermined diameter and a height in the load cell holder mounting portion 531, and the operation ball 515 of the load cell 510 can be inserted and supported at the center thereof The load cell support 520 in which the operation ball insertion groove 521 is formed is mounted.

A protrusion 511 is formed at an upper center of the load cell support 520 to form a central insertion groove 512. A side surface protrusion 513 is formed at a side surface of the protrusion 511, And a pressing member 540 is attached to the pressing member mounting groove 535 of the cover 530 after mounting the load cell 510 on which the inclined depression 514 is formed with the operating ball 515 as the center, (500).

The load cell unit 500 is formed in a flat plate shape and has a load cell mounting groove 240 formed at a lower portion of a measurement body 200 on which a marking unit 220 for displaying measured values is mounted, Respectively.

A lamp 300 having a predetermined width and height from the front and rear of the measuring body 200 and a connecting port disposed inside the lamp 300 and connected to the measuring body 200, And a lamp coupling groove 320 formed on the outer side of the body.

A lamp coupling protrusion 420 is formed in a portion of the lamp 300 corresponding to the lamp coupling groove 320 and a plurality of through holes 440 are formed in the interior of the lamp coupling protrusion 420 with an interval therebetween. When the pad 400 having the inclined surfaces 460 is formed at the front and rear ends, the assembly of the shaft 100 is completed.

Here, the assembling order of the intermediate shaft can be configured differently from the above.

Next, the use state of the middle shaft constructed as described above will be described as follows.

First, the cargo vehicle is guided to the ramp 300 by using the inclined surface 460 constituting the pad 400. At this time, soil or foreign matter adhering to the wheels of the freight vehicle is discharged to the ground via a plurality of through holes 440.

The cargo vehicle is moved to the measuring body 200 through the lamp 300 and then the weight of the cargo vehicle is measured through the plurality of load cell units 500. The measured value is mounted on one side of the measuring body 200 The display unit 220 displays the display screen.

At this time, the load cell unit 500 mounted on the measuring body 200 basically blocks the inflow of dust, moisture and the like into the lower part of the load cell 510 through the pressing member 500 and the side protruding part 513.

Next, the cargo vehicle is discharged from the shaft 100 through the lamp 300 and the pad 400 located on the front side after the weight is measured.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many modifications and variations of the present invention are possible in light of the above teachings. Should be interpreted to include.

100: middle shaft, 200: measuring body,
300: lamp, 400: pad,
500: load cell unit, 510: load cell,
520: load cell support, 530: cover,
540: pressing member.

Claims (5)

In the middle of a shaft installed on the floor for measuring the weight of a freight vehicle,
A measurement body formed in a flat plate shape and having a load cell unit for intercepting the inflow of dust and moisture while measuring the weight of the vehicle, and a display unit on which a measurement value is displayed; A lamp coupled to the measurement body before and after the measurement body, respectively, and having front and rear surfaces formed with lamp coupling grooves; A lamp coupling protrusion is formed to be coupled to each of the lamps, a plurality of through holes are formed in the inside of the lamp coupling protrusion, and slopes are formed at the front and rear ends,
The load cell unit is disposed at an upper portion, and a protrusion formed with a central insertion groove is formed at an upper center, a side surface protrusion is formed at a side surface, and a tapered depression A load cell; A loadcell disposed at a lower portion of the load cell and having an upper portion formed with an inclined surface toward an outer side of an operation ball insertion groove formed at the center; A load cell holder mounting portion for covering a lower side and a side surface of the load cell holder is formed at the center and a load cell protecting portion for enclosing a side face protrusion of the load cell is formed around the edge; And a pressing member mounted on a side surface of the cover which abuts on the side projecting portion of the load cell to block dust or foreign matter from entering the inside,
Wherein a press member mounting groove is formed around the cover on which the pressing member is mounted.
delete delete The method according to claim 1,
Wherein a strip-shaped cover contact projection is formed on a side projection of the load cell, and the cover contact projection is formed at a lower portion of the pressing member.
The method according to claim 1,
A load cell holder cover for covering a cover finish groove is mounted on an upper portion of the load cell holder holder, and the load cell holder cover is formed on an upper portion of the load cell holder And is formed to be the same as an inclined surface that is formed in the center of the shaft.
KR1020150122290A 2015-08-31 2015-08-31 Axis Weighting Machine KR101712057B1 (en)

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KR1020150122290A KR101712057B1 (en) 2015-08-31 2015-08-31 Axis Weighting Machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102197122B1 (en) * 2019-10-07 2020-12-31 주식회사 카스 Weight measuring apparatus for vehicles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200367996Y1 (en) 2004-08-13 2004-11-17 주식회사 티엠티엔지니어링 portable road weigher and the pad assembly thereof
KR200412564Y1 (en) * 2006-02-14 2006-03-28 주식회사 티엠티엔지니어링 The load cell unit of a weight-bridge
KR100625864B1 (en) * 2005-10-24 2006-09-18 주식회사 티엠티엔지니어링 The load cell unit of a weight-bridge
KR100670636B1 (en) 2004-08-13 2007-01-17 주식회사 티엠티엔지니어링 Portable road weigher and the pad assembly thereof
KR20100100719A (en) * 2010-07-22 2010-09-15 주식회사 카스 Load cell unit of a weight-bridge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200367996Y1 (en) 2004-08-13 2004-11-17 주식회사 티엠티엔지니어링 portable road weigher and the pad assembly thereof
KR100670636B1 (en) 2004-08-13 2007-01-17 주식회사 티엠티엔지니어링 Portable road weigher and the pad assembly thereof
KR100625864B1 (en) * 2005-10-24 2006-09-18 주식회사 티엠티엔지니어링 The load cell unit of a weight-bridge
KR200412564Y1 (en) * 2006-02-14 2006-03-28 주식회사 티엠티엔지니어링 The load cell unit of a weight-bridge
KR20100100719A (en) * 2010-07-22 2010-09-15 주식회사 카스 Load cell unit of a weight-bridge
KR101149432B1 (en) * 2010-07-22 2012-06-01 주식회사 카스 load cell unit of a weight-bridge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102197122B1 (en) * 2019-10-07 2020-12-31 주식회사 카스 Weight measuring apparatus for vehicles
RU2750087C1 (en) * 2019-10-07 2021-06-22 КАС Корпорейшн Device for measuring weight of vehicles
US11162835B2 (en) 2019-10-07 2021-11-02 Cas Corporation Weight measuring apparatus for vehicles

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